<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<meta name="viewport" content="width=device-width, initial-scale=1">
	<title>前端基础项目</title>
</head>
<body>
<h1>前端基础项目</h1>
<button onclick="isDev">测试是否管理员</button>
</body>
</html>